I need to replace a bulb in an outdoor light socket.

Can someone tell me how to remove this broken bulb?

http://i790.photobucket.com/albums/y...cket/light.jpg

Is this a "screw-in"type? It's not coming out with normal pressure, I could put a tool on it and unscrew harder if it's just a normal screw-in bulb.

thank you,

Bill